Search a number
-
+
12072051117101 = 77513155742277
BaseRepresentation
bin1010111110101011111001…
…0100011000110000101101
31120202002001222222002101002
42233222332110120300231
53040242030041221401
641401453531330045
72354114452263263
oct257527624306055
946662058862332
1012072051117101
113934801157578
12142b7895b0925
1369750aa6b2a1
142da40cb98433
1515e04d63ea6b
hexafabe518c2d

12072051117101 has 4 divisors (see below), whose sum is σ = 12072206936892. Its totient is φ = 12071895297312.

The previous prime is 12072051117053. The next prime is 12072051117173. The reversal of 12072051117101 is 10171115027021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7547492452900 + 4524558664201 = 2747270^2 + 2127101^2 .

It is a cyclic number.

It is not a de Polignac number, because 12072051117101 - 214 = 12072051100717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12072051117701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77793626 + ... + 77948651.

It is an arithmetic number, because the mean of its divisors is an integer number (3018051734223).

Almost surely, 212072051117101 is an apocalyptic number.

It is an amenable number.

12072051117101 is a deficient number, since it is larger than the sum of its proper divisors (155819791).

12072051117101 is an equidigital number, since it uses as much as digits as its factorization.

12072051117101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155819790.

The product of its (nonzero) digits is 980, while the sum is 29.

The spelling of 12072051117101 in words is "twelve trillion, seventy-two billion, fifty-one million, one hundred seventeen thousand, one hundred one".

Divisors: 1 77513 155742277 12072051117101